COURTNEY L. WARREN PA-C
NPI 1275500977
Physician Assistant in Wauwatosa, WI
About Courtney L. Warren Pa-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COURTNEY L. WARREN PA-C (NPI 1275500977) is an individual physician assistant in Wauwatosa, Wisconsin, licensed in Wisconsin (1467-23) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Courtney L. Warren Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53226 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Courtney Warren's NPI number?
The NPI number for Courtney Warren is 1275500977. It was assigned to this individual provider in the NPPES registry on March 2, 2006. The provider is also known as Courtney L. Johnson Pa-C.
Where is Courtney Warren located?
Courtney Warren practices at 1033 N Mayfair Rd Ste 101, Wauwatosa, WI 53226. The listed phone number is (414) 454-0600.
What is Courtney Warren's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Courtney Warren enrolled in Medicare?
Yes. Courtney Warren is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Courtney Warren accept?
Health plans from CareSource (Common Ground Healthcare), Network Health and Quartz list Courtney Warren as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Courtney Warren was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Courtney L. Warren, PA-C · NPI 1275500977
Physician Assistant physician in Wauwatosa, Wisconsin. Individual provider, active in the CMS NPPES registry since March 2, 2006.
## Identity
- **NPI:** 1275500977 (Entity type: Individual)
- **Enumerated:** March 2, 2006
- **Primary specialty:** Physician Assistant · taxonomy 363A00000X
- **State license:** 1467-23 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1033 N MAYFAIR RD STE 101, Wauwatosa, WI 53226-3442
- **Phone:** (414) 454-0600 · **Fax:** (414) 454-0971
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** February 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1275500977) · Data from the CMS NPPES public registry.